Home / 7,515.96-11,257.23-7,330.05

Finding the Fourth Proportional to 7,515.96, 11,257.23 and 7,330.05

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Solution

The fourth proportional to 7,515.96, 11,257.23 and 7,330.05 is: 10,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.96 : 11,257.23 = 7,330.05 : x
  2. Step 2: Convert to fraction form
    7,515.96/11,257.23 = 7,330.05/x
  3. Step 3: Cross multiply
    7,515.96x = 11,257.23 × 7,330.05
  4. Step 4: Simplify right side
    7,515.96x = 82,516,058.76
  5. Step 5: Solve for x
    x = 82,516,058.76/7,515.96
  6. Step 6: Final answer
    x = 10,978.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.